import type { HookHandlerDoneFunction, FastifyRequest, FastifyReply } from 'fastify';
import type { CSRFTokenService } from '../services';
/**
 * CSRF token middleware.
 *
 * When method.from is cookie, will get the "param"
 * value from cookie. E.g: request.cookies[param].
 *
 * When method.from is header, will get the "param"
 * value from header. E.g: request.headers[param].
 *
 * If csrf token is invalid for any reason, it will:
 * - Publish UnauthorizedAccessEvent.
 * - Return InvalidCSRFTokenError.
 *
 * @param {Object} method The method to get the csrf token.
 * @param {string} method.from The source of the csrf token.
 * @param {string} method.param The parameter name to get the csrf token.
 * @param {Object} deps The dependencies.
 * @param {CSRFTokenService} deps.CSRF_SERVICE The csrf token service.
 * @returns Callback function.
 * @since 7.0.0
 * @author Caique Araujo <caique@piggly.com.br>
 */
export declare const CSRFTokenMiddleware: (method: {
    from: "header" | "cookie";
    param: string;
}, deps: {
    CSRF_SERVICE: CSRFTokenService;
}) => (request: FastifyRequest, reply: FastifyReply, done: HookHandlerDoneFunction) => void;